Tim Zierden brings more than 20 years of experience and expertise in the automotive industry to CallRevu.

He began his career as a founding associate at CarMax, where he became a partner in new car franchises before ultimately transitioning into SaaS and dealer services organizations. Tim went on to manage Inventory Solutions for JM Family and played a key role in facilitating the sale of AAX to DealerTrack.

In the auction sector, he was instrumental in assisting KAR Auction Services with redefining their dealer sales operations and supporting the acquisition of OPENLANE. He then dedicated nearly ten years to Cox Automotive, where he developed cross-functional teams serving major enterprise clients.

Prior to joining CallRevu, Tim served as Chief Operating Officer at TradePending, a mid-market, private equity-backed automotive technology company.

Tim is a graduate of the University of Virginia, where he earned a B.A. in History. He currently resides outside of Atlanta with his wife and two sons. In his free time, Tim enjoys mountain biking and working with community-focused nonprofit organizations.

Keri Cohen is a strategic business leader with nearly two decades of experience in the media and marketing industries, specializing in brand strategy, digital transformation, and organizational leadership. She brings a rare blend of creative and operational expertise, with experience on both the buy and sell sides, giving her a holistic perspective on driving growth, innovation, and high-performing teams.

Keri currently serves as Chief Marketing Officer and Chief of Staff at CallRevu, where she leads brand strategy, go-to-market direction, and cross-functional alignment across the organization. In her dual role, she partners closely with executive leadership to drive strategic initiatives, strengthen internal operations, and ensure the company’s vision translates into measurable business impact.

Prior to CallRevu, Keri held key roles at Publicis Groupe, Hearst Magazines, and Food & Wine, where she was a James Beard Award nominee.

Outside of work, Keri enjoys spending time with her family, running, and rooting for the New York Knicks in the hopes that they’ll win another championship.

Brock Jackson is the Chief Experience Officer at CallRevu and co-founder of Calldrip, where he led the company's strategy and operations to support a worldwide customer base. With more than 15 years of experience in software and automotive, Brock understands that speed and convenience aren't just a nice to have — they're crucial to the customer experience. That conviction drove him and his team to co-found Calldrip in 2009, enabling dealerships to respond to customers faster and convert more opportunities into lasting customer relationships.

Brock loves leading by example and building alongside great people. He finds real satisfaction in rolling up his sleeves to solve problems that matter to both his teammates and customers. Working with others toward a common goal is where he thrives.

Outside of work, Brock recharges in the mountains near his home in Northern Utah — whether that's on wheels or on foot. He especially loves spending time with his wife and four kids, who keep him grounded and moving forward.

Jeff is a technology leader with over a decade of experience advising and delivering solutions for Fortune 500 and private equity clients via SaaS platforms, with expertise implementing HIPAA, PCI, and COPPA compliant solutions. Jeff has cross-industry expertise in delivering solutions for healthcare, life sciences, automotive, retail, and insurance, leveraging progressive technology including omnichannel communication, augmented reality, and machine learning/AI & large language models.

A committed leader and manager of multi-disciplined technology teams, Jeff is skilled in fostering rapid growth, professional development, leadership opportunities, and accountability of teams, and adept at establishing a culture of trust, open communication, and support. In his home life, Jeff is a father of 4, an avid musician, photographer, and writer.

Bringing more than two decades of financial leadership spanning investment banking and high-growth SaaS, Emily began her career in investment banking, spending 11 years in M&A with a primary focus on the Media and Internet sector. Over the past 11 years, she has served as CFO for several VC- and PE-backed SaaS companies, most recently as CFO of Breezeway, a property operations and services platform for the short-term vacation rental industry. Co-founder and board member of 100cameras.org, a nonprofit that helps young people process their experiences and share them through photography and storytelling. University of Richmond graduate originally from Florida; has called New York's Upper West Side home for 22 years. Enjoys running, reading, travel, and nearly every sport, with a particular love of tennis.

Jim Menard is an experienced software executive serving as our senior vice president of sales and client services by strengthening dealer relationships across CallRevu communication intelligence software platforms.

With over 27 years in the automotive industry, Menard has held key executive leadership roles with Autotrader, vAuto, TrueCar, Dominion Dealer Solutions, TrueCar, and Search Optics.

Jim’s dealer-centric focus and breadth of experience across software, online media, and in-store processes enhances CallRevu’s ability to engage our dealer body to improve their appointment set rates, movement of inventory, and overall profits for single stores, multiple rooftops, large enterprise groups, and OEMs.

Koby Jackson is the Strategic Business Officer at CallRevu and co-founder of Calldrip, a real-time lead response platform built on the belief that speed creates trust and drives stronger customer relationships. He led the company from early concept to a profitable enterprise serving dealerships, sales organizations, and national programs that rely on immediate engagement to improve conversion and performance.

Over the course of his career, Koby has built and scaled revenue systems, guided organizations through operational transitions, and supported leadership teams as they strengthened activation, retention, and channel growth. His work reflects practical experience leading companies through expansion, profitability, and successful exit preparation. He is widely recognized for his focus on disciplined execution, human-centered sales engagement, and building teams that respond with urgency and consistency in moments that matter most.